JPS63253555A - 安定な磁気光記録媒体 - Google Patents
安定な磁気光記録媒体Info
- Publication number
- JPS63253555A JPS63253555A JP63005692A JP569288A JPS63253555A JP S63253555 A JPS63253555 A JP S63253555A JP 63005692 A JP63005692 A JP 63005692A JP 569288 A JP569288 A JP 569288A JP S63253555 A JPS63253555 A JP S63253555A
- Authority
- JP
- Japan
- Prior art keywords
- magneto
- recording medium
- alloy
- optical recording
- tantalum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910052715 tantalum Inorganic materials 0.000 claims description 31
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 31
- 239000000758 substrate Substances 0.000 claims description 25
- 229910045601 alloy Inorganic materials 0.000 claims description 24
- 239000000956 alloy Substances 0.000 claims description 24
- 229910052727 yttrium Inorganic materials 0.000 claims description 19
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 11
- 229910052723 transition metal Inorganic materials 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 229910052717 sulfur Inorganic materials 0.000 claims description 6
- 239000011593 sulfur Substances 0.000 claims description 6
- 229910052771 Terbium Inorganic materials 0.000 claims description 5
- 229910001004 magnetic alloy Inorganic materials 0.000 claims description 5
- 150000002739 metals Chemical class 0.000 claims description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 claims description 3
- 229910001117 Tb alloy Inorganic materials 0.000 claims description 2
- JSUSQWYDLONJAX-UHFFFAOYSA-N iron terbium Chemical compound [Fe].[Tb] JSUSQWYDLONJAX-UHFFFAOYSA-N 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims 1
- 230000007797 corrosion Effects 0.000 description 40
- 238000005260 corrosion Methods 0.000 description 40
- 239000010410 layer Substances 0.000 description 32
- 239000010408 film Substances 0.000 description 30
- 238000004544 sputter deposition Methods 0.000 description 13
- 238000007792 addition Methods 0.000 description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 10
- 238000000151 deposition Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 239000000203 mixture Substances 0.000 description 9
- 230000003287 optical effect Effects 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 229910000767 Tm alloy Inorganic materials 0.000 description 8
- 230000008021 deposition Effects 0.000 description 8
- 230000010287 polarization Effects 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229920000515 polycarbonate Polymers 0.000 description 6
- 239000004417 polycarbonate Substances 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 6
- 229910052814 silicon oxide Inorganic materials 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 230000005374 Kerr effect Effects 0.000 description 5
- 229910052786 argon Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 5
- 239000004926 polymethyl methacrylate Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000000879 optical micrograph Methods 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000001771 vacuum deposition Methods 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000005291 magnetic effect Effects 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910001020 Au alloy Inorganic materials 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000003353 gold alloy Substances 0.000 description 2
- 238000001755 magnetron sputter deposition Methods 0.000 description 2
- 229910001092 metal group alloy Inorganic materials 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 208000000044 Amnesia Diseases 0.000 description 1
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 229910017061 Fe Co Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910001362 Ta alloys Inorganic materials 0.000 description 1
- 101100388071 Thermococcus sp. (strain GE8) pol gene Proteins 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- XCCHNVIAXIAUEB-UHFFFAOYSA-N [Cr].[Fe].[Tb] Chemical compound [Cr].[Fe].[Tb] XCCHNVIAXIAUEB-UHFFFAOYSA-N 0.000 description 1
- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- RDTHZIGZLQSTAG-UHFFFAOYSA-N dysprosium iron Chemical compound [Fe].[Dy] RDTHZIGZLQSTAG-UHFFFAOYSA-N 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 1
- ZSOJHTHUCUGDHS-UHFFFAOYSA-N gadolinium iron Chemical compound [Fe].[Gd] ZSOJHTHUCUGDHS-UHFFFAOYSA-N 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 231100000863 loss of memory Toxicity 0.000 description 1
- 230000005381 magnetic domain Effects 0.000 description 1
- 230000036244 malformation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000015654 memory Effects 0.000 description 1
- 239000005300 metallic glass Substances 0.000 description 1
- 238000005088 metallography Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000007430 reference method Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- -1 steam Substances 0.000 description 1
- 229910002070 thin film alloy Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
- G11B11/10586—Record carriers characterised by the selection of the material or by the structure or form characterised by the selection of the material
- G11B11/10589—Details
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US320387A | 1987-01-14 | 1987-01-14 | |
| US003203 | 1987-01-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63253555A true JPS63253555A (ja) | 1988-10-20 |
Family
ID=21704696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63005692A Pending JPS63253555A (ja) | 1987-01-14 | 1988-01-13 | 安定な磁気光記録媒体 |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0275189B1 (de) |
| JP (1) | JPS63253555A (de) |
| KR (1) | KR890012281A (de) |
| DE (1) | DE3853436T2 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0423247A (ja) * | 1990-05-17 | 1992-01-27 | Matsushita Electric Ind Co Ltd | 光磁気記録媒体 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3885698T2 (de) * | 1987-09-30 | 1994-05-19 | Sharp Kk | Magnetooptisches Speichermedium. |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5984358A (ja) * | 1982-11-04 | 1984-05-16 | Seiko Instr & Electronics Ltd | 光磁気記録媒体 |
| JPS6115308A (ja) * | 1984-07-02 | 1986-01-23 | Hitachi Ltd | 光磁気記録材料 |
| JPS6184803A (ja) * | 1984-10-03 | 1986-04-30 | Oki Electric Ind Co Ltd | 光磁気記録用材料 |
| JPS6187307A (ja) * | 1984-10-03 | 1986-05-02 | Oki Electric Ind Co Ltd | 光磁気記録用材料 |
| JPS62232736A (ja) * | 1986-04-02 | 1987-10-13 | Oki Electric Ind Co Ltd | 光磁気記録用媒体 |
| JPS62293537A (ja) * | 1986-06-13 | 1987-12-21 | Hitachi Ltd | 光磁気デイスク用記録媒体 |
| JPS63122034A (ja) * | 1986-11-12 | 1988-05-26 | Hitachi Ltd | 光磁気記録媒体 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6079543A (ja) * | 1983-10-05 | 1985-05-07 | Daicel Chem Ind Ltd | プラスチツク基盤上に希土類−遷移金属アモルフアスの光磁気記録媒体層を形成した記録担体 |
| KR870006535A (ko) * | 1985-02-27 | 1987-07-13 | 나가이 아쯔시 | 광자기 기록 매체 |
| JPS61214254A (ja) * | 1985-03-20 | 1986-09-24 | Hitachi Ltd | 光磁気記録材料 |
-
1988
- 1988-01-13 KR KR1019880000197A patent/KR890012281A/ko not_active Application Discontinuation
- 1988-01-13 EP EP88300243A patent/EP0275189B1/de not_active Expired - Lifetime
- 1988-01-13 DE DE3853436T patent/DE3853436T2/de not_active Expired - Fee Related
- 1988-01-13 JP JP63005692A patent/JPS63253555A/ja active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5984358A (ja) * | 1982-11-04 | 1984-05-16 | Seiko Instr & Electronics Ltd | 光磁気記録媒体 |
| JPS6115308A (ja) * | 1984-07-02 | 1986-01-23 | Hitachi Ltd | 光磁気記録材料 |
| JPS6184803A (ja) * | 1984-10-03 | 1986-04-30 | Oki Electric Ind Co Ltd | 光磁気記録用材料 |
| JPS6187307A (ja) * | 1984-10-03 | 1986-05-02 | Oki Electric Ind Co Ltd | 光磁気記録用材料 |
| JPS62232736A (ja) * | 1986-04-02 | 1987-10-13 | Oki Electric Ind Co Ltd | 光磁気記録用媒体 |
| JPS62293537A (ja) * | 1986-06-13 | 1987-12-21 | Hitachi Ltd | 光磁気デイスク用記録媒体 |
| JPS63122034A (ja) * | 1986-11-12 | 1988-05-26 | Hitachi Ltd | 光磁気記録媒体 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0423247A (ja) * | 1990-05-17 | 1992-01-27 | Matsushita Electric Ind Co Ltd | 光磁気記録媒体 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3853436T2 (de) | 1995-11-09 |
| DE3853436D1 (de) | 1995-05-04 |
| EP0275189A2 (de) | 1988-07-20 |
| KR890012281A (ko) | 1989-08-25 |
| EP0275189A3 (en) | 1990-01-10 |
| EP0275189B1 (de) | 1995-03-29 |
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